Update RimeHttpTTSService to use mistv2 model by default

CHANGELOG.md

@@ -23,6 +23,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- `RimeHttpTTSService` now uses the `mistv2` model by default.
+
 - Improved error handling in `AzureTTSService` to properly detect and log
   synthesis cancellation errors.
 

src/pipecat/services/rime.py

@@ -361,7 +361,7 @@ class RimeHttpTTSService(TTSService):
         *,
         api_key: str,
         voice_id: str = "eva",
-        model: str = "mist",
+        model: str = "mistv2",
         sample_rate: Optional[int] = None,
         params: InputParams = InputParams(),
         **kwargs,